December is one of the cooler months of the year in Simdega, with average highs near 24.6°C and lows around 10.6°C (mean 17.6°C). It is one of the drier months, averaging 11 mm of rainfall and 63% relative humidity across the period.
December is one of the cooler months of the year in Simdega. Across 45 years of records, the warmest December in Simdega was 1988 — when the month averaged 19.4°C — while the coldest was 2025 at 15.3°C. Typical December days reach 24.6°C with nights near 10.6°C. The long-term trend is cooling, about 0.2°C per decade.
December is one of the drier months in Simdega, averaging 11 mm of rainfall. The wettest December on record was 1997 with 67 mm, while the driest were 2016, 2017 and 2022, among others at 0 mm.
Relative humidity in Simdega during December averages 63%. The most humid December was 1997 at 82%, and the least humid was 2000 at 35%.
December receives about 4.2 kWh/m²/day of solar energy in Simdega. The sunniest December was 2000 at 4.7 kWh/m²/day, and the cloudiest was 2015 at 3.4.
Average wind speed in Simdega during December is 1.4 m/s. The windiest December was 1981 at 1.7 m/s, while the calmest were 2011, 2013 and 2020, among others at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.5°C | 17.0°C | 17.7°C | 17.3°C | 17.4°C | -1.1°C |
| Avg High | 25.9°C | 23.9°C | 25.0°C | 24.1°C | 23.7°C | -2.2°C |
| Avg Low | 11.1°C | 10.2°C | 10.5°C | 10.6°C | 11.0°C | -0.1°C |
| Avg Rain | 10 mm | 13 mm | 6 mm | 14 mm | 16 mm | +6 mm |
December temperatures in Simdega have fallen by about 0.9°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 2.5°C (2019) to a record high of 29.9°C (1987).
Rainfall in December is one of the drier months, averaging 11 mm, with a wettest year of 67 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Simdega
December is a good time to visit Simdega, with days averaging 24.6°C and nights around 10.6°C (mean 17.6°C, cooler than Simdega's yearly average) and low rainfall. February and November are marginally more temperate, but December still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 ❄️ | 22.3°C | 15.3°C | 8.3°C | 24.2°C | 5.3°C | 0 mm | 76% | 1.3 m/s | — |
| 2024 | 24.6°C | 18.5°C | 12.5°C | 27.6°C | 7.3°C | 7 mm | 72% | 1.3 m/s | 3.7 |
| 2023 | 23.0°C | 17.1°C | 11.2°C | 27.9°C | 7.2°C | 44 mm | 71% | 1.3 m/s | 3.5 |
| 2022 | 25.2°C | 18.3°C | 11.5°C | 27.5°C | 8.6°C | 0 mm | 63% | 1.3 m/s | 4.1 |
| 2021 | 23.2°C | 17.4°C | 11.5°C | 25.3°C | 4.6°C | 43 mm | 75% | 1.5 m/s | 3.5 |
| 2020 | 24.0°C | 17.5°C | 10.9°C | 26.3°C | 6.0°C | 0 mm | 69% | 1.2 m/s | 3.9 |
| 2019 | 22.1°C | 16.3°C | 10.5°C | 25.3°C | 2.5°C | 10 mm | 79% | 1.3 m/s | 3.6 |
| 2018 | 23.6°C | 16.9°C | 10.2°C | 25.8°C | 4.5°C | 65 mm | 62% | 1.4 m/s | 3.7 |
| 2017 | 24.6°C | 17.8°C | 11.0°C | 26.8°C | 7.3°C | 0 mm | 63% | 1.3 m/s | 4.1 |
| 2016 | 25.1°C | 17.6°C | 10.2°C | 26.6°C | 7.2°C | 0 mm | 65% | 1.5 m/s | 4.3 |
| 2015 | 25.0°C | 18.7°C | 12.4°C | 28.7°C | 6.6°C | 16 mm | 66% | 1.3 m/s | 3.4 |
| 2014 | 24.5°C | 17.1°C | 9.7°C | 27.4°C | 5.3°C | 7 mm | 55% | 1.5 m/s | 4 |
| 2013 | 23.3°C | 16.9°C | 10.5°C | 25.0°C | 7.9°C | 0 mm | 73% | 1.2 m/s | 4.2 |
| 2012 | 24.0°C | 16.9°C | 9.9°C | 26.6°C | 4.8°C | 9 mm | 67% | 1.4 m/s | 4.3 |
| 2011 | 23.8°C | 16.9°C | 10.0°C | 25.9°C | 6.9°C | 2 mm | 68% | 1.2 m/s | 4 |
| 2010 | 25.3°C | 18.2°C | 11.1°C | 27.9°C | 6.8°C | 34 mm | 57% | 1.6 m/s | 3.9 |
| 2009 | 24.7°C | 18.1°C | 11.5°C | 26.5°C | 8.6°C | 4 mm | 64% | 1.2 m/s | 4.1 |
| 2008 | 25.0°C | 18.2°C | 11.3°C | 27.1°C | 7.7°C | 0 mm | 68% | 1.2 m/s | 4 |
| 2007 | 24.0°C | 17.1°C | 10.2°C | 25.7°C | 6.3°C | 0 mm | 66% | 1.4 m/s | 4.3 |
| 2006 | 24.7°C | 17.7°C | 10.7°C | 26.9°C | 7.7°C | 0 mm | 65% | 1.3 m/s | 4.2 |
| 2005 | 24.5°C | 17.2°C | 9.8°C | 26.9°C | 7.0°C | 25 mm | 59% | 1.4 m/s | 4.3 |
| 2004 | 23.8°C | 17.2°C | 10.6°C | 25.1°C | 5.6°C | 2 mm | 68% | 1.2 m/s | 4.2 |
| 2003 | 22.5°C | 16.3°C | 10.0°C | 25.1°C | 6.7°C | 23 mm | 74% | 1.3 m/s | 4.2 |
| 2002 | 27.4°C | 19.3°C | 11.3°C | 29.5°C | 8.2°C | 2 mm | 50% | 1.5 m/s | 4.4 |
| 2001 | 24.6°C | 17.2°C | 9.8°C | 26.3°C | 7.5°C | 0 mm | 58% | 1.3 m/s | 4.5 |
| 2000 | 28.3°C | 19.0°C | 9.6°C | 29.5°C | 7.8°C | 0 mm | 35% | 1.6 m/s | 4.7 |
| 1999 | 23.6°C | 16.8°C | 10.1°C | 24.5°C | 7.0°C | 0 mm | 67% | 1.2 m/s | 4.6 |
| 1998 | 23.4°C | 16.3°C | 9.1°C | 25.8°C | 6.2°C | 0 mm | 65% | 1.3 m/s | 4.6 |
| 1997 🌧️ | 22.5°C | 17.3°C | 12.0°C | 25.6°C | 7.2°C | 67 mm | 82% | 1.4 m/s | 3.5 |
| 1996 | 24.6°C | 16.6°C | 8.7°C | 26.3°C | 6.1°C | 0 mm | 50% | 1.5 m/s | 4.1 |
| 1995 | 23.8°C | 17.4°C | 11.0°C | 25.4°C | 7.9°C | 13 mm | 69% | 1.2 m/s | 4.3 |
| 1994 | 23.4°C | 16.4°C | 9.5°C | 25.6°C | 6.1°C | 0 mm | 60% | 1.2 m/s | 4.5 |
| 1993 | 23.8°C | 16.4°C | 9.1°C | 25.8°C | 6.1°C | 0 mm | 57% | 1.3 m/s | 4.5 |
| 1992 | 27.0°C | 18.8°C | 10.5°C | 28.2°C | 8.1°C | 0 mm | 43% | 1.5 m/s | 4.6 |
| 1991 | 22.9°C | 16.6°C | 10.2°C | 24.7°C | 6.9°C | 48 mm | 68% | 1.3 m/s | 4.2 |
| 1990 | 23.8°C | 17.6°C | 11.4°C | 25.5°C | 7.3°C | 0 mm | 69% | 1.3 m/s | 4.5 |
| 1989 | 26.0°C | 18.2°C | 10.5°C | 27.6°C | 7.5°C | 9 mm | 47% | 1.5 m/s | 4.5 |
| 1988 🔥 | 26.9°C | 19.4°C | 12.0°C | 29.4°C | 8.4°C | 0 mm | 51% | 1.3 m/s | 4.5 |
| 1987 | 26.6°C | 18.7°C | 10.7°C | 29.9°C | 7.9°C | 7 mm | 54% | 1.5 m/s | 4.5 |
| 1986 | 25.5°C | 18.9°C | 12.3°C | 27.6°C | 7.0°C | 47 mm | 63% | 1.3 m/s | 4 |
| 1985 | 25.7°C | 18.5°C | 11.3°C | 28.3°C | 6.7°C | 0 mm | 59% | 1.4 m/s | 4.6 |
| 1984 | 25.8°C | 17.7°C | 9.6°C | 27.3°C | 5.8°C | 0 mm | 53% | 1.6 m/s | 4.5 |
| 1983 | 25.6°C | 18.3°C | 10.9°C | 28.9°C | 6.6°C | 20 mm | 51% | 1.4 m/s | — |
| 1982 | 26.4°C | 18.9°C | 11.4°C | 28.4°C | 8.2°C | 0 mm | 55% | 1.6 m/s | — |
| 1981 | 24.5°C | 17.6°C | 10.8°C | 26.7°C | 7.6°C | 11 mm | 64% | 1.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 24.6°C with lows near 10.6°C (mean 17.6°C), based on 45 years of NASA POWER data.
December averages 11 mm of rainfall in Simdega, one of the drier months. The wettest on record was 67 mm in 1997.
The hottest December reached 29.9°C in 1987. The coldest dipped to 2.5°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.9°C — but days and nights have moved in opposite directions. Overnight lows rose from 10.8°C to 11°C while daytime highs eased from 25.6°C to 23.7°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Simdega and one of the drier months, so plan for around 24.6°C daytime highs and 10.6°C at night.
Yes — December is the coldest month of the year in Simdega, averaging 17.6°C.
For December in Simdega, pack light layers you can adjust through the day, with typical highs of 24.6°C and lows of 10.6°C.
Relative humidity in December averages 63% — moderately humid.
Average wind speed in December is 1.4 m/s. The windiest December on record averaged 1.7 m/s (1981).
The wettest December on record was 1997 with 67 mm. On average, December sees 11 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Simdega behaves each December, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for December specifically, along with year-by-year records and how the month has changed over the decades.
